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Datanota-Amber
stock-ROI-calculator
Buy
Calculate the percentage change in average price based on the given investment dollar amount
Sell
Compute the percentage change in the average price resulting from selling the oldest investment
from data to idea to prototype
Stock brokerage services offer investors access to their investment history via account statements. However, investors who monitor their investments independently may gather personalized data over time, which can be structured into a database like this:
Over time, the accumulation of data files sparked the concept for the Datanota-Amber prototype
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