CN106157131A - Bank card remaining sum variable query method - Google Patents

Abstract

Bank card remaining sum variable query method exactly by bank card remaining sum divided by or be multiplied by a multiplying power number, inquire is the result after being multiplied or being divided by, result after inquiry can be converted into real remaining sum number according to multiplying power number by holder, this inquiry can need not password, and the risk decreasing password leakage also conceals bank card real remaining sum number.

Description

Bank card remaining sum variable query method

Technical field

This technology belongs to bank card technology.

Background technology

Current bank card inquiry into balance needs to input password, and the remaining sum inquired about is real remaining sum number, owing to automatic teller machine is public utility, other people are aside, it is seen that the remaining sum of oneself, sometimes allow inquirer have no alternative, the people the most together gone, relation not to the stage of bank card remaining sum needing the other side to know oneself, is not deliberately blocked and some embarrassment, and allowing the other side see all is a difficult problem.

Summary of the invention

Technical characteristic: bank card inquiry into balance can be not in use by password, but the result of inquiry is a variable data of remaining sum, this variable data is a proximity values or the remaining sum value of bank card remaining sum after conversion, conversion needs to use fairly simple method, variable data can be documented on bank card to accelerate inquiry velocity, giving tacit consent to after input password is also variable query, selects accurately inquiry to be only real remaining sum number.

nullDetailed description of the invention: general addition subtraction multiplication and division is popular acceptable algorithm，Convert for convenience，Use multiplication or division，The principle of the two is just as，Holder sets a multiplying power，Remaining sum number is divided by with this multiplying power or is multiplied，The result of variable is also two-decimal，The same with current bank card remaining sum，Then rounding up beyond two-decimal，Such as，Certain bank card remaining sum is 50011.23 yuan，If setting multiplying power is 100，Use division，The result that variable query goes out is 500.11 yuan，By being scaled 50011 yuan，With the difference that real remaining sum only has 0.23 yuan，If it is 98，Then result is 510.32，The result conversed is 50011.36，Also it is close with 50011.23，General variance multiplying power number is not too big，Otherwise scaling results error is the biggest，From conversion principle it is known that，1000 times of errors the most also only having about 10 yuan，For Query Result，Holder is typically also without knowing particularly accurate numeral，It is feasible in principle.

Claims (2)

1. a bank card inquiry into balance method, it is characterized in that: bank card inquiry into balance can be not in use by password, the result of inquiry is the variable data of remaining sum, variable data is proximity values or the remaining sum value of bank card remaining sum after conversion, conversion needs to use fairly simple method to adapt to masses, variable data can be documented on bank card to accelerate inquiry velocity, and giving tacit consent to after input password is also variable query, selects accurately inquiry to be only real remaining sum number.

2. according to the bank card inquiry into balance method described in claim 1, described conversion uses fairly simple method it is characterized in that: conversion uses multiplication or division, after holder's sets itself conversion multiplying power, real remaining sum number is multiplied with multiplying power number or is divided by, result retains two-decimal, and the decimal digits part exceeded rounds up.