App Profile: Calculator:Math Solver

A multifunctional calculator is an application that provides multiple computing functions and tools, designed to meet users' daily computing needs. It combines the basic mathematical operation, scientific calculation, currency conversion and other functions, historical record storage, notes and other functions, so that users can quickly and conveniently carry out various calculations and conversion operations.
1. Payment: After the user confirms the purchase and makes the payment, it will be credited to their iTunes account;
2. Cancel Renewal: If you need to cancel the renewal, please manually turn off the automatic renewal function in iTunes/Apple ID settings management 24 hours before the current subscription cycle expires. After cancellation, there will be no further charges;
3. Renewal: The Apple iTunes account will be charged within 24 hours before its expiration. After successful deduction, the subscription cycle will be extended by one subscription cycle.
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