Smart-Calculator Pro

No Ads, the best All-in-one Calculator with voice, history for the iPhone and iPad.
◉ Smart Calculator+
▸ Basic Calculator (+, -, x, ÷, %, (), ...)
▸ Scientific Calculator (e, pi, π, Sin, Cos, Ln, X!, ^, √, log, Sin⁻¹, Cos⁻¹, …)
▸ Calculation history (Show or hide)
▸ Voice Output (English, Chinese, Japanese, Korean, Malay, ...)
▸ Visual input (Backspace key)
▸ Calculator Widget ( for iOS 17.0+)

◉ Unit Converter
▸ Supports length, area, volume, speed, pressure, power, weight, temperature, energy, time, angle, density, force, torque, and the data capacity.

◉ Loan Calculator
▸ Calculate total interest, total payment based on loan principal and interest rate.
▸ Share the result to you friends or relatives.

◉ Currency Converter
▸ You can calculate currency exchange rate conversions, including dollar, euro, yen, yuan, etc.

◉ Fraction Calculator:
▸ You can calculate addition, subtraction, multiplication, and division of fractions.
▸ You can also perform calculations between decimals and fractions, Quickly and easily check children's fraction math problems.

◉ Percentage Calculator:
▸ You can easily calculate the percentage increase or decrease between numbers.
▸ You can also calculate what percentage one number is of another.

◉ Hexadecimal Converter:
▸ Enter a value, and generate a value which converted between binary, octal, decimal, and hexadecimal.

◉ BMI Calculator:
▸ Measure the body mass index (BMI), the basal metabolic rate (BMR), and body fat percentage (BFP).
▸ Save the BMI、BMR、BFP indicators as notes to keep track of your health status at any time.

◉ Date Calculator:
▸ Flexibly calculate the interval of a specific date or anniversary with accuracy to the month, week, day, hour, minute, and second.

◉ Savings Calculator:
▸ Enter the deposit amount, interest rate and term and interest and final savings balance will be calculated.

◉ Income Tax Calculator
▸ Enter your pre-tax salary, additional deductions, and payment periods to calculate your final after-tax salary, personal income tax, medical insurance premiums, etc.

◉ Chinese Relatives Calculator:
- Easily learn the titles of Chinese relatives.

◉ Chinese financial capitalization:
▸ Enter the amount number, and the Chinese financial text corresponding to the amount can be generated.

◉ OTHER FEATURES:
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