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Math Guide · New
Percentage Increase & Decrease
Math Guide · New
Fraction Calculator Guide
📈
Statistics · New
Standard Deviation & Variance
🏛️
Tax Guide · Featured
FBR Tax Slabs 2025-26
🆕 New — May 2026

📐 Math & Statistics Guides

3 new step-by-step tutorials with free calculators
🆕 New · May 2026
📊
% Increase &
Decrease Guide
📐 Math Guide

How to Calculate Percentage Increase and Decrease: Step-by-Step Guide with Examples

Master the percentage change formula with 5 fully worked examples across shopping, salary, and finance. Includes Excel tips, the 5 most common mistakes, and an embedded live calculator.

📅 May 2026 ⏱️ 8 min read 📖 1,800+ words
Read Full Guide → 🧮 Open Percentage Calculator →
🆕 New · May 2026
Add · Subtract
Multiply · Divide
📐 Math Guide

Fraction Calculator Guide: How to Add, Subtract, Multiply and Divide Fractions

All four fraction operations clearly explained — LCD method for addition, cross-cancelling for multiplication, Keep-Change-Flip for division. Mixed numbers and GCD simplification fully covered.

📅 May 2026 ⏱️ 10 min read 📖 2,000+ words
Read Full Guide → 🧮 Open Fraction Calculator →
🆕 New · May 2026
📈
Variance &
Std. Deviation
📊 Statistics Guide

Standard Deviation Calculator: Understanding Variance and Standard Deviation with Examples

5-step calculation with a full deviation table, bell curve 68-95-99.7 rule, population vs sample SD explained, and a live calculator — all in one comprehensive guide.

📅 May 2026 ⏱️ 10 min read 📖 2,200+ words
Read Full Guide → 🧮 Open Statistics Calculator →

⭐ Featured Article

Most read this month
⭐ Featured · Most Read
🏛️
FBR Income Tax
Slabs 2025-26
💼 Taxation · Pakistan

FBR Income Tax Slabs 2025-26: Complete Guide for Salaried Individuals

The Finance Act 2025-26 raised the tax-free threshold to Rs 600,000. This guide breaks down every slab with real calculation examples, compares salaried vs business income treatment, and links to our free FBR tax calculator so you can see your exact liability in seconds.

📅 Updated: April 2026 ⏱️ 5 min read 📖 FBR Finance Act 2025-26
Read Full Guide → 🧮 Open FBR Tax Calculator →

All Articles

11 guides · Updated regularly
🕌 zakat calculator gold
☪️ Zakat

How to Calculate Zakat on Gold in Pakistan (2025-26 Guide)

Nisab on gold is 87.48g (7.5 tola). If you meet it, you owe 2.5% of your gold's current PKR value. Covers hawl, tola vs gram, 22K vs 24K, and the silver nisab shortcut.

🕌 Open Zakat Calculator →
WAPDA NEPRA tariff 2026
⚡ Utility Bills

How to Read & Calculate Your WAPDA Electricity Bill (NEPRA 2026 Tariff)

Decode every line of your electricity bill — FPA, FCS, GST, TV Fee, and the protected vs unprotected slab trap. Real unit examples with full calculations.

⚡ Open Bill Calculator →
🏦 EMI calculator Pakistan loan
💰 Finance & Loans

EMI Calculator Pakistan: Home, Car & Personal Loan Guide 2026

Apply the EMI formula with real 2026 rates from HBL, Meezan, UBL and MCB. Covers Islamic vs conventional and the full amortization schedule explained.

🏦 Open EMI Calculator →
📈 compound interest NSS Pakistan
📈 Savings & Investment

Compound Interest vs Simple Interest: Which Pakistan Savings Scheme Wins?

NSS, Prize Bonds, Meezan savings, UBL Ameen compared with real 2026 profit rates. Includes the Rule of 72 and fastest-growth analysis.

📈 Open Interest Calculator →
🔥 SNGPL SSGC gas tariff
🔥 Utility Bills

Pakistan Gas Bill Calculator: SNGPL vs SSGC Tariff Guide 2025-26

SNGPL (Punjab/KPK) or SSGC (Sindh/Balochistan) — understand your company's slab system and every charge line by line with real examples.

🔥 Open Gas Bill Calculator →
🏠 stamp duty Punjab Pakistan
🏠 Property

Property Stamp Duty & Withholding Tax in Pakistan: Punjab, Sindh & KPK (2025-26)

Stamp duty (2–3%), CVT, and filer vs non-filer withholding tax rates by province — fully decoded before you sign any deed.

🏠 Open Pakistan Calculators →
📋 filer non-filer withholding tax
💼 Taxation

Filer vs Non-Filer in Pakistan 2026: Why Registering with FBR Saves You Money

Non-filers pay double withholding tax on bank transactions, property and car registrations. We calculate exactly how much you lose each year by staying off the ATL.

💼 Open Tax Calculator →
⚖️ BMI body mass index
💪 Health

How to Calculate Your BMI: Complete Guide with Examples (2026)

Step-by-step BMI calculation for metric and imperial, all category thresholds, formula breakdown, and what BMI measures — and what it doesn't tell you.

⚖️ Open BMI Calculator →
🥗 macronutrient ratio TDEE
💪 Health

Macronutrient Ratios Explained: How to Calculate Protein, Carbs & Fat

Find the right macro split for fat loss, muscle gain, or maintenance. Includes TDEE calculation, meal planning examples, and common ratio mistakes to avoid.

🥗 Open Calorie Calculator →
🍎 TDEE calorie needs
💪 Health

Daily Calorie Needs Calculator: How to Calculate Your TDEE in 2026

Use the Mifflin-St Jeor equation to find your basal metabolic rate, then apply your activity level multiplier to get your precise daily calorie target.

🍎 Open Calorie Calculator →
🔬 skinny fat body recomposition
💪 Health

Skinny Fat Dilemma: Should You Bulk or Cut First? (Scientifically Proven Fix)

Normal BMI but high body fat? You're skinny fat. Discover the body recomposition strategy — using the U.S. Navy Body Fat Method and ISSN protein guidelines — to lose fat and build muscle simultaneously.

🔬 Open Body Fat Calculator →
🔥 BMR TDEE metabolism
💪 Health

Eating Below BMR: Will It Actually Ruin Your Metabolism Permanently?

Your TDEE is 2,000 and BMR is 1,400 — so is eating 1,200 calories safe? Discover the science of metabolic floors, adaptive thermogenesis, and the only safe 300–500 kcal deficit strategy.

🔥 Open TDEE Calculator →

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