All-in-one Calculator is a free calculator app for android featuring over 70+ calculators and unit converters categorized under finance, health, women, construction, lifestyle and everyday math.

Simple yet powerful, the following features are built into this all-in-one calculator:-

STANDARD CALCULATOR
• Includes percent key, negative sign, brackets and history viewer.
• Advanced mode includes memory keys and functions for trigonometry, roots, exponents and logarithm found in scientific calculators.

UNIT CONVERTER
• Supports temperature, length, weight, area, volume and many more measurement units.
• Currency converter.

FINANCIAL CALCULATOR
• Interest calculators using simple and compound interest
• Loan repayment and amortization schedule.
• Savings calculator with financial goal planner

FRACTIONS/ PERCENTAGE CALCULATOR
• Calculators for 3-way percentage, percentage change, percentage difference, discount pricing, profit margin, tax, tip & split bill.
• Add, subtract, multiply, divide fractions

HEALTH
• BMI, BMR, body fat percentage and calorie calculators to help you keep track of your body weight.

WOMEN
• Pregnancy calculators for baby due date, conception date & current week (gestational age).
• Ovulation calculator
• Menstrual cycle calculator that can serve as period tracker.
• Chinese baby gender predictor

CONSTRUCTION CALCULATOR
• Calculators to estimate cement, sand, gravel quantities for concrete blocks, wall plastering & brick works.
• Area and volume calculator for common geometric shapes.
• Irregular land area calculator
• Solve height and distance problems using right-triangle calculator.

LIFESTYLE
• Age and date calculator
• Fuel economy, trip fuel cost, energy consumption and many more.

Step 1. Download All-in-one Calculator Pro Mod (Pro) APK file on HappyMod.com.
Step 2. Once it's downloaded, open Downloads, tap on the APK file, and tap Yes when prompted.
Step 3.All-in-one Calculator Pro Mod (Pro) APK will begin installing on your device. Simple.

Step 1. Download HappyMod APK file on HappyMod.com.
Step 2. Once it's downloaded, open Downloads, tap on the APK file, and tap Yes when prompted.
Step 3.Search All-in-one Calculator Pro Mod, click Download.
Step 4: You can download 100% working mods on HappyMod with one click.