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This calculator does not include a dedicated tax calculation function. Users will need to manually calculate tax amounts using the basic arithmetic functions. This can be inconvenient for quick calculations when shopping or managing finances.

This calculator does not feature a memory function for storing and recalling numerical values. This limits its ability to perform multi-step calculations and reuse frequently used numbers, making complex calculations more cumbersome.

This calculator does not have a square root calculation function. Users needing to calculate square roots will need to use external tools or manual methods. This limits its usefulness for DIY projects or schoolwork where square roots are required.

This calculator includes a percentage calculation function, which simplifies calculating discounts, profit margins, and other percentage-related tasks. This is useful for shopping and analyzing sales data, avoiding the need for complex manual calculations.

The sign change 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. This simplifies correcting entry errors or performing calculations with both positive and negative numbers.

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