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Information regarding recent vulnerabilities

HP is aware of the recent vulnerabilities commonly referred to as "Spectre" and "Meltdown". HP has published a security bulletin with patches for these issues and a list of impacted systems. We will continue to update the bulletin as more information becomes available and encourage customers to check the bulletin frequently.

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## HP 17bII+ Financial Calculator - Solving Problems Involving Dates

Date calculations on the HP 17bII+
The HP 17bII+ has a built-in calendar that can be used to make calculations involving dates. These abilities are accessible by pressing the menu label then pressing as shown in figures 1 and 2 below.
Figure : Selecting the TIME menu label
Figure : Selecting the CALC menu label
The HP 17bII+ then displays the set of menu labels for date calculations as shown in figure 3.
Figure : Displaying the menu labels for date calculations
As long as two of these three are input, , , , the HP 17bII+ will solve for the unknown value. The next two choices, and , allow the computation of the dates between dates using a 360 or 365 day calendar. The final menu label will display the current date, , for use or reference.
As figure 3 above shows, dates are entered using two digits for the month, then a decimal point, then two digits for the day within the month, followed by four digits representing the year. For example, May 10, 2008 would be entered as 5.102008 and December 2, 2009 would be entered as 12.022009.
##### note:
A leading zero for the month is not required, but that for days 1-9 of a month, a zero must be entered along with the day number.
When a date is entered, the HP 17bII+ displays the day of the week upon which it falls, as shown in figure 4 below.
Figure : Displaying the date
Practice solving problems involving dates
Example 1
How many days are between October 17, 2000 and March 16, 2008? Use a 365 day year.
Solution
 Keystroke Display Figure : Displays the actual days result
2707 days.
Example 2
What day of the week is March 16, 2008? Assume you have just worked Example 1.
Solution
 Keystroke Display Figure : Displaying the day of the week
March 16, 2008 is a Sunday.
Example 3
On what day will the United States be 100,000 days old? In other words, what day is 100,000 days after July 4, 1776? Use a 365 day calendar.
Solution
 Keystroke Display Figure : Displaying the result
The United States will be 100,000 days old on April 19, 2050, a Tuesday.

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