PrefixCalc vs CALCOs

This calculator supports Metric‑prefix such as kilo and giga. The calculator supports quetta (10^30) and quecto (10^-30), which were added in 2022. Main Functions ・Support for arithmetic operations (+ - ×÷) ・Results converted to Japanese numerals for display ・Delete one character at a time with the "DEL" button 　Press and hold to delete all ・Press and hold to copy calculation formulas and results 　English (Short scale, Long scale) and 　Chinese numerals can also be selected. ・Calculations that include prefixes such as 2M+1k, 2M×1μ, etc. Note: ・Very large numbers that exceed 200 digits may be rounded off for display and calculation purposes. 　Please note this when precision is required. ・Short scale and Long scale are currently supported up to 10^198. ・Kanji notation is supported up to 10^72. 　If it is greater than the number, it will be displayed in Arabic numerals.

Calco is a fast, simple, and reliable calculator designed for those who need clear results without distractions. Its clean interface makes it easy to perform basic math operations in seconds, whether for personal, school, or work calculations. In addition to essential arithmetic functions, Calco automatically saves a history of your recent calculations, allowing you to review, copy, or reuse them whenever you need. Key Features: Basic operations: addition, subtraction, multiplication, and division. Calculation history accessible at all times. Intuitive and easy-to-use interface. Optimized for fast and stable performance on any iOS device. Compatible with light and dark modes. With Calco, you have a practical, secure, and straightforward tool for your daily calculation needs, without intrusive ads or unnecessary features.