/**
 * 通过移动小数点  扩大倍数或缩小倍数(解决出现e+、e-的问题)
 *
 * @param value 数字字符串
 */
declare function scienceNum(value: string): string;
declare function executeStr(c: string, d: string, n: number): string;
/**
 * 判断是否为整数，字符整数也返回true
 *
 * @param num
 * @returns
 */
declare function isInteger(num: number): boolean;
/**
 * 四则运算
 *
 * @param x
 * @param y
 * @param op 操作符，0：加；1：减；2：乘；3：除
 * @param acc 保留小数位个数，进行四舍五入
 * @param sci 默认false，是否处理含e+、e-科学计数法的值，注意：科学计数法数值处理后的结果为string类型。
 */
declare function execute(x: number | string, y: number | string, op: number, acc: number, sci: boolean): string | number;
declare function add(x: number | string, y: number | string, acc: number, sci: boolean): string | number;
declare function subtract(x: number | string, y: number | string, acc: number, sci: boolean): string | number;
declare function multiply(x: number | string, y: number | string, acc: number, sci: boolean): string | number;
declare function divide(x: number | string, y: number | string, acc: number, sci: boolean): string | number;
declare const _default: {
    execute: typeof execute;
    executeStr: typeof executeStr;
    isInteger: typeof isInteger;
    add: typeof add;
    subtract: typeof subtract;
    multiply: typeof multiply;
    divide: typeof divide;
    scienceNum: typeof scienceNum;
};
export default _default;