HindiTechBook – Tech & Study Tools for Students

Helping students learn technology in Hindi – AI tools, study apps, coding basics, productivity tips, and online calculators.

[hinditechbook]

Gemini और ChatGPT AI Photo Editing Prompts | 37+ Prompts

Gemini और ChatGPT AI photo editing prompts की personally tested list — trending, couple, girls, Rajan Editz style। 37+ prompts free और copy-

[hinditechbook]

UPSC Admit Card 2026 Download Kaise Kare? Step By Step Guide

UPSC admit card 2026 जारी हो चुका है। जानें UPSC admit card 2026 download kaise kare, direct link, exam date, login process और troubleshooti

[hinditechbook]

claude mythos explained for people who don't want to read a whole article

→ new anthropic ai model (april 2026) → found bugs that are OLDER than most gen z → created 181 firefox exploits (previous model: 2) → 1 million token context window (read entire codebases basically) → not available to the public. invite only. 50 companies max. → costs $125/million output tokens which is a lot

the companies that got access: aws, apple, google, microsoft, nvidia, cisco, crowdstrike, palo alto… the usual trillion-dollar crew

what does this mean for you? probably nothing immediately. claude opus 4.6 is still publicly available and also very good.

but it does mean we're at a point where ai can autonomously hunt through decades of code and find vulnerabilities humans missed for generations

that's either very exciting or very concerning depending on your general disposition toward the future

full hindi explainer here:

Claude Mythos Kya Hai? | Anthropic का Most Powerful AI Model

Claude Mythos एक ऐसा AI model है जो 27 साल पुराने bugs ढूंढ सकता है। जानें इसकी capabilities, Project Glasswing, pricing और access कैसे मिलत

[hinditechbook]

NOTION AI se MCQ kaise banaye?

Notion AI se MCQ banana chahte ho?

Honest update: Free plan mein sirf 20 total responses milte hain — monthly nahi, one-time.

Full AI = ₹1,660/month.

Better option: ChatGPT free mein same kaam karta hai, Hindi mein bhi. Prompt ready hai, comparison guide hai, board exam templates hain — https://www.hinditechbook.com/notion-ai-se-mcq-kaise-banaye/

Kaunsa subject ke MCQ banana hai tumhe? 👇

[hinditechbook]

Study Abroad Education Loan Guide 2026 — हिंदी में

विदेश पढ़ाई के लिए loan लेना चाहते हैं? SBI, HDFC Credila, Prodigy Finance — कौन सा सही है? Eligibility, documents, moratorium period और Section 80E tax benefit — सब कुछ हिंदी में समझाया है। Complete guide यहाँ पढ़ें 👉

Study Abroad Education Loan In Hindi 2026 Guide - HTB

Study abroad education loan in hindi guide 2026 — SBI, HDFC Credila, secured vs unsecured, eligibility, documents, और Section 80E tax benefi

[hinditechbook]

What to do after result

okay so board results just dropped and everyone's spiraling —

"which stream should i pick" "did i ruin my life with these marks" "what even is CUET"

wrote a full guide in hindi for this exact moment. covers:

→ how to actually analyze your result (not just cry about it) → stream selection that isn't just "science = smart" → JEE / NEET / CUET 2026 dates so you don't miss deadlines → skills you can learn in the gap period for free → real online earning options (not scams) → scholarships most students don't know exist → mental health tips because results season is genuinely hard

your marks are one data point. not your whole story.

full guide: https://www.hinditechbook.com/result-ke-baad-kya-kare/

[hinditechbook]

Board Exam के आखिरी 10 दिन — यह गलती मत करना

परीक्षा में 10 दिन बाकी हैं और ज़्यादातर students एक ही गलती करते हैं — नया topic पढ़ते रहते हैं।

यह काम नहीं करता। कभी नहीं करता।

तो करें क्या?

इन 10 दिनों को 3 phases में बाँटें:

Phase 1 (Day 10-7): पूरे syllabus का एक quick scan। Priority list बनाएं — heavy topics पहले। Previous year papers देखें — pattern समझें।

Phase 2 (Day 6-4): अब सिर्फ पढ़ना नहीं, लिखना भी। Book बंद करके recall करें। Mock test दें — time limit के साथ।

Phase 3 (Day 3-1): सिर्फ अपने notes। नया कुछ नहीं। बस जो बनाया है उसे देखें। रात 10 बजे तक सो जाएं।

एक honest बात: 10 दिन miracle नहीं करते। लेकिन सही strategy से passing marks से ऊपर जाना बिल्कुल possible है।

Full Day-wise Plan, Subject Tips और FAQs → https://www.hinditechbook.com/board-exam-last-10-days-revision-strategy/

[hinditechbook]

okay so I made a CGPA calculator and it's actually really useful 🧮

three modes because one size doesn't fit all:

mode 1 — you have grades (A1, B2 etc.) just select from dropdown → done ✨

mode 2 — you only have marks (like 88, 75, 92) enter the numbers → calculator assigns grades automatically you don't have to do anything extra 🙌

mode 3 — you already know your CGPA just enter it → get percentage instantly (formula: CGPA × 9.5, not × 10 please 😭)

also shows you: → subject-wise breakdown → performance label (outstanding/excellent/very good…) → copy button so you can share with parents lol → warning if you failed any subject ⚠️

free to use, works on phone too: 🔗 https://www.hinditechbook.com/calculators/free-cgpa-calculator-in-hindi/

[hinditechbook]

CGPA kaise nikale? — सबसे simple explanation

1/ Formula एक line में: CGPA = सभी subjects के grade points जोड़ो ÷ subjects की संख्या बस इतना। 🎯

2/ Grade Points याद करो: A1=10 | A2=9 | B1=8 | B2=7 C1=6 | C2=5 | D=4 (CBSE 9-point grading system)

3/ Real Example — Class 10: A2+B1+A1+A2+B1 = 9+8+10+9+8 = 44 CGPA = 44÷5 = 8.8 ✅ Percentage = 8.8×9.5 = 83.6%

4/ Marks से CGPA निकालना है? 88 marks → A2 → GP: 9 75 marks → B1 → GP: 8 92 marks → A1 → GP: 10 65 marks → B2 → GP: 7 83 marks → A2 → GP: 9 CGPA = 43÷5 = 8.6 ✅

5/ Popular Calculations: 76 ka CGPA → 8.0 7.8 CGPA → 74.1% 4.0 CGPA → 38% (minimum pass) 10 CGPA → 95%

6/ College Students के लिए: SGPA se CGPA kaise nikale? सभी SGPAs जोड़ो ÷ semesters की संख्या (equal credits होने पर)

7/ Common Mistake ❌ CGPA × 10 = Percentage — WRONG CGPA × 9.5 = Indicative Percentage — CORRECT ✅

8/ Complete guide — Class 10, 12th, BSc सभी के लिए step-by-step: 🔗 https://www.hinditechbook.com/cgpa-kaise-nikale-cgpa-calculation-guide/

[hinditechbook]

CGPA kya hota hai? — हर student को पता होनी चाहिए यह बात 👇

1/ CGPA = Cumulative Grade Point Average CBSE का 9-point grading system जिसमें maximum grade point 10 होता है।

2/ Grade Points याद करो: A1=10 | A2=9 | B1=8 | B2=7 C1=6 | C2=5 | D=4 E1, E2 = Fail ❌

3/ CGPA निकालने का formula: सभी 5 subjects के grade points जोड़ो → 5 से divide करो Example: 9+8+10+9+8 = 44 ÷ 5 = 8.8 CGPA ✅

4/ Percentage चाहिए? CGPA × 9.5 = Indicative Percentage 8.8 × 9.5 = 83.6% (यह approximate है — exact नहीं)

5/ SGPA vs CGPA: SGPA = एक semester की performance CGPA = सभी semesters की combined performance

6/ Common Myth ❌ "10 CGPA = 100%" Reality ✅ 10 × 9.5 = 95% — 100% नहीं!

7/ पूरी detail में पढ़ें — grade table, non-CGPA subjects, real examples सब कुछ: 🔗 https://www.hinditechbook.com/cgpa-kya-hota-hai-hindi-guide/

[hinditechbook]

ChatGPT से Math Free में सीखें — 2026 Guide

ChatGPT Math Solver

OpenAI ने March 2026 में Dynamic Visual Explanations feature launch किया। 70+ Math और Science concepts — Pythagorean Theorem, Ohm's Law, Compound Interest — अब interactive sliders के साथ available हैं।

क्या-क्या मिलेगा

Text और Photo — दोनों से Math solve करने के तरीके

ChatGPT vs Gemini — honest comparison

Common mistakes जो students करते हैं

6 free tools का toolkit

यह किसके लिए है

CBSE, UP Board, RBSE students के लिए — जो concepts visually समझना चाहते हैं।

यह feature completely free है।

Full guide: https://www.hinditechbook.com/chatgpt-se-math-free-mein-kaise-seekhein/

[hinditechbook]

Free Hindi Word Counter Tool for Students

🖊️ हिंदी में लिखते हो? यह tool तुम्हारे लिए है!

Hindi Word Counter अब live है — और यह completely free है 🎉

परीक्षा का निबंध हो, college assignment हो, या UPSC की practice — शब्द गिनने की tension अब खत्म।

✨ Real-time word count ✨ अक्षर, वाक्य, अनुच्छेद ✨ Unique words (vocabulary improve करो) ✨ Reading time estimate ✨ Auto-save — tab बंद करो, text safe रहेगा ✨ .txt file upload ✨ PDF & CSV export ✨ Dark mode 🌙 ✨ Mobile friendly ✨ कोई login नहीं

CBSE • UP Board • RBSE • सभी boards के छात्रों के लिए

👉 https://www.hinditechbook.com/calculators/free-hindi-word-counter-tool/

reblog करो ताकि और students तक पहुँचे 🙏

[hinditechbook]

Pomodoro Technique for Students – Study With Better Focus

Many students struggle to stay focused while studying for long hours. The Pomodoro Technique is a simple time-management method that helps improve concentration by breaking study time into short intervals.

The basic idea is simple: • Study for 25 minutes with full focus

Take a 5-minute break

Repeat the cycle 3–4 times, then take a longer break

This method helps reduce mental fatigue and makes studying more productive. Many students use it to prepare for exams, complete assignments, and manage daily study sessions.

If you want to understand how this technique works step-by-step, you can read the full guide here:

https://www.hinditechbook.com/pomodoro-technique-se-padhai-kaise-kare/

It explains the method in simple Hindi with examples and tips for students.