UPIHO Purple Calculator, UPIHO 12 Digit

This calculator does not include a dedicated tax calculation function. Users will need to manually calculate tax amounts using the basic arithmetic functions. This requires the user to understand the tax rate and apply it manually, which can be time-consuming for frequent calculations.

This calculator does not feature a memory function for storing and recalling numerical values. This limits its ability to perform multi-step calculations efficiently, as users must manually keep track of intermediate results. The absence of this function makes complex calculations more cumbersome.

It does not have a square root calculation function. Users needing to calculate square roots will need to use external tools or manual methods. This function is useful in DIY projects or schoolwork where square roots are required, and its absence may inconvenience some users.

This calculator does not include a percentage calculation function, which simplifies calculating discounts, profit margins, and other percentage-related tasks. Users will need to perform these calculations manually, which can be less efficient for shopping and data analysis.

The sign change function is not available on this calculator. This function allows users to quickly switch the sign of a number from positive to negative or vice versa, simplifying calculations involving debits, credits, and temperature changes. Its absence may make certain calculations more difficult.

This calculator does not offer a decimal place setting function. The calculator displays results with a fixed number of decimal places. This function is useful when you want to avoid displaying unnecessary digits or round off results to a specified number of decimal places.