Calculator for Pad vs PerfectCalc

I tried all calculators on the market and had various problems. We made a calculator that might be easier to use. The main features are as follows: 1. No ads, no ads will be added in the future 2. Support simple calculation and scientific calculation 3. Calculation steps and calculation process can be viewed 4.Support Chinese uppercase display 5. Optimized for Pad high resolution 6. Very small size without taking up storage space Subscription instructions: —1 subscription option to choose from. Our standard subscription options are: Subscribe for1week /1month/1year —The subscription fee will be paid through the credit card attached to your iTunes account. -Unless your subscription is cancelled at least 24 hours before the end of the current period, your subscription will be automatically renewed. —You can manage your subscriptions on your account. You can cancel your subscription or trial at any time by going to the iTunes account settings and canceling the subscription, otherwise it will automatically renew. —The account will be charged for renewal within 24 hours before the end of the current period, and you will not be able to cancel the subscription within the validity period. —When purchasing a premium subscription during the free trial period, any unused portion of the free trial period (if provided) will be confiscated. —For more information, please refer to our "Privacy Agreement" and "Member Service Agreement" "Privacy Agreement" https://www.jianshu.com/p/3ce508010a23 "Member Service Agreement" https://www.jianshu.com/p/40d4f8cf7b90

An all-in-one calculation app that brings together a standard calculator, scientific calculator, and a wide range of practical tools. It supports basic and scientific calculations, fractions, currency conversion, unit conversion, base conversion, BMI, custom formulas, financial calculations, and other everyday needs - all in one app. [CORE FEATURES] Standard & Scientific Calculator Perform addition, subtraction, multiplication, division, percentages, calculations with parentheses, powers, trigonometric functions, inverse trigonometric functions, and more. Access custom formulas directly from the Home screen to reduce repetitive input. Freely edit calculations, move the cursor, and double-tap to select the current number. Fraction Calculator Enter and calculate fractions with results displayed in fractional form - useful for school, exams, and everyday tasks. Currency Converter Convert between multiple currencies, precious metals, and cryptocurrencies for travel, online shopping, investing, and everyday reference. Unit & Base Converters Convert common units and number bases for study, work, programming, and everyday use. BMI Calculator Quickly calculate body mass index for everyday health tracking. Custom Formulas Use built-in formulas or create reusable custom formula templates to make repeated calculations faster. Financial Calculators Calculate compound interest and recurring investments for common financial planning needs. History & Editable Calculations View, favorite, delete, and recalculate previous results. Edit calculations directly, so a typo never means starting over. Light & Dark Mode Switch between light and dark themes. [CONTACT US] Email: kingstar19900516@gmail.com QQ Group: 835604202