All in one calculator

Fusion calculator is all in one calculator for your day to day use and finances. It is made up of 14 calculators including:
i. Currency converter with charts. Drag and drop support for currency list. (Long press)
ii. Discount calculator (multi items are saved in database)
iii. Percent calculator, pre discounted price finding.
iv. Date calculator - d day, age calculator, days between, years between.
v. Weight manager calculator - BMI, Ideal weight, BMR, WHR.
vi. ROI and CAGR calculator.
vii. PV/FV calculator
viii. Annuity calculator.
viv Tip calculator.
x. General loan calculator
xi. Compound Interest calculator.
xii. savings goal calculator.
xiii. Fixed deposit calculator.
xiv. Installment or recurring savings calculator.

Features:
* You can set a starting calculator, or it automatically start the calculator you used last time.
* Custom keyboard with '.', '00', '000' keys that you can quickly enter numbers and money amount.
* Auto save one entry feature that you do not need to enter values every time.
Yet additional calculators and new features coming soon.

If you find the calculator useful, please take the time to leave a review and rate. Your suggestion and comment are valuable and always welcomed.

Thanks.