/**
 * @description 转换科学计数器字符
 * @param nums @
 * @returns
 */
export declare const formatArguement: (nums: string) => string | 0;
export declare const add: (a: string, b: string) => string;
export declare const subtract: (a: string, b: string) => string;
export declare const multiply: (a: string, b: string) => string;
export declare const divide: (a: string, b: string) => string;
/**
 * 精确小数(目标小数位数小于最大精确位数直接返回原值，否则在精确位数+1上四舍五入)
 * @param {Number} num 待精确小数
 * @param {Number} min 最小位数
 * @param {Number} max 最大位数
 */
export declare const toFixeds: (num: number | string, min?: number, max?: number) => string;