• The colors may differ slightly from the original.


MRP: ₹ 520 (incl. of all taxes)
Net Quantity: 1N
Indian Product Code: CB189
GST calculation
TAX- GST+ Calculation
Automatic calculation of price plus tax, price less tax, selling price, and tax amount.
12 digits


GST Calculations

Calculation of multiple tax rates

Simple taxable amount, tax amount, and plus-tax amount calculations for five tax rates, and totals for each.

Multiple tax rates

Calculating price-plus-tax, price-less-tax, and tax grand totals

Tax grand total

Grand total


Automatic totalization of the results of different calculations.
GT will be operational when last operation is "=" or "%".
* GT will not work when calculator is in "Recall" phase.

Calculating the price-plus-tax, price-less-tax, and tax subtotals for each tax rate (recall mode)

Tax subtotals

*1 Price-less-tax subtotal
*2 Tax subtotal
*3 Price-plus-tax subtotal
*4 Price-less-tax grand total calculation
*5 Tax grand total calculation
*6 Price-plus-tax grand total calculation
*7 Pressing any one of the following keys and then the "GST GT" key will perform a GST GT (grand total) operation: "GST+0", "GST+1", "GST+2", "GST+3", "GST+4". In all other cases, pressing the "GST GT" key performs a GT (grand total) operation.

Learn how to make GST Invoice using CASIO MJ-120GST


200 Steps Check


Review up to 200 calculation steps.

Use the [CHECK ← BACK] and [CHECK → FORWARD] keys to scroll through the steps of past calculations. Up to 200 calculation steps can be retained in memory.



While reviewing a calculation, you can make changes in values and operators and re-execute to obtain a new result.

* The LCD examples are from an MJ-120GST.

Localized Number Display

Indian Digit Separator

Indian comma

* The LCD example is from MJ-120GST.


  • GST calculation
    TAX- GST+ Calculation Automatic calculation of price plus tax, price less tax, selling price, and tax amount.

    12 digits

  • Regular percent
    Regular percent Regular percentage calculations.

  • 200 steps check
    200 steps check Displays up to 200 previous calculation steps.

  • Solar & Battery
    Solar & Battery Solar powered when light is sufficient, battery powered when light is insufficient.

  • Function command signs
    Function command signs A symbol (+, -, ×, ÷) on the display indicates the status of operation you are currently performing.

  • Rounding selector F: Floating decimals. CUT: Values are cut off. UP: Values are rounded up. 5/4: Values are rounded off.

  • Decimal selector 4,3,2,1,0 : Specifies the number of decimal places as 4,3,2,1,0. ADD2: 2 decimal places are assumed for entries and results of all addition and subtraction operations.

  • Key rollover
    Key rollover Key operations are stored in a buffer, so nothing is lost even during high-speed input.

  • Extra Large display
    Extra Large display Larger display makes more data easier to read.

  • Plastic keys
    Plastic keys Designed and engineered for easy operation.

  • Mark-up
    Mark-up All the mark-up capabilities of an adding machine for simplified cost and profit calculations.

Size of case / Total weight

  • Dimensions (D × W × H) : 153.5×126.5×29.8mm
  • Weight : 145g


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