# .formats (show number formats) ### Command > .formats ### Syntax > .formats \[Expression (string)] ### Description Evaluates an expression or register or a value in the current thread and process context and displays it in multiple numeric formats. ### Parameters **\[Expression (string)]** An expression, or a register, or a hex value to be evaluated. ### Examples Show `0x10` in different formats. ``` HyperDbg> .formats 10 Evaluate expression: Hex : 00000000`00000010 Decimal : 16 Octal : 20 Binary : 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00010000 Char : ........ Time : 04/28/20 - 06:35AM Float : 0.00 +8e-323 7.905050E-323 Double : 7.90505033345994471e-323 ``` Show different formats of `rcx` register. ``` HyperDbg> .formats @rcx Evaluate expression: Hex : 00000000`00000024 Decimal : 36 Octal : 44 Binary : 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00100100 Char : $....... Time : 02/07/21 - 02:29PM Float : 0.00 +2e-322 1.778636E-322 Double : 1.77863632502848756e-322 ``` Show different formats of `rcx` register added to `rbx` register. ``` HyperDbg> .formats @rax+@rbx Evaluate expression: Hex : ffff2919`819251c0 Decimal : -2121117248 Octal : 20144450700 Binary : 11111111 11111111 00101001 00011001 10000001 10010010 01010001 11000000 Char : .Q...).. Time : 02/07/21 - 02:29PM Float : -nan -nan -NAN Double : -nan ``` ### IOCTL To evaluate an expression on the target process (thread) in the user debugger or in the target debuggee in the kernel debugger, you need to use the following function in `libhyperdbg`: ```clike UINT64 hyperdbg_u_eval_expression(CHAR * Expr, PBOOLEAN HasError); ``` Note that the above function only evaluates the expression and converts it to a 64-bit integer value. It does not display the value in different formats. To show it in different formats, you can run it as a command (string) through the main command parser SDK API. ### Remarks This command is guaranteed to keep debuggee in a halt state (in Debugger Mode); thus, nothing will change during its execution. ### Requirements None ### Related None --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.hyperdbg.org/commands/meta-commands/.formats.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.