export declare function numberToString(num: Number): string;
export declare function stringToNumber(str: String): number;
export declare function round(value: any, exp?: any): number;
export declare function calculateBrutto(value: number, vat: number, roundTo?: number): number;
export declare function calculateNetto(value: number, vat: number, roundTo?: number): number;
export declare function countDecimals(a: number): number;
export declare function countMaxDecimals(a: number, b: number): number;
export declare function multiply(a: number, b: number): number;
export declare function divide(a: number, b: number): number;
export declare function add(a: number, b: number): number;
export declare function subtract(a: number, b: number): number;
export declare function multiplySC(a: number, b: number): number;
export declare function divideSC(a: number, b: number): number;
export declare function addSC(a: number, b: number): number;
export declare function subtractSC(a: number, b: number): number;